*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    color: rgba(255, 255, 255, 0.9);
}
body {
    display: flex;
    flex-direction:column;
    justify-content: center;
    align-items: center;
    height: 100vh;
    /* background: url("background.jpg") no-repeat; */
    background-size:cover;
    background-color: #8EC5FC;
    background-image: linear-gradient(62deg, #8EC5FC 0%, #E0C3FC 100%);
}
.box {
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width:500px;
    height: 800px;
    border-top: 1px solid rgba(255, 255, 255, 0.5);
    border-left: 1px solid rgba(255, 255, 255, 0.5);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    border-right: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    background: rgba(50, 50, 50, 0.2);
}

.box h2{
    color: rgba(255, 255, 255, 0.9);
}

.box .box_info > p {
    margin: 10px 0;
    color: rgba(255, 255, 255, 0.9);
}

.box strong {
    color: rgba(255, 255, 255, 0.5);
}
.box .form-group{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: start;
}

.box .form-group .form-line {
    margin-top: 5px;
    margin-bottom: 8px;
}

.box .form-group .form-line > label {
    margin-bottom : 5px;
    color: rgba(227, 238, 243, 0.9);
    font-size: 14px;
    margin-right: 30px;
}

.box .form-group > label {
    margin-bottom : 5px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
}

.box .form-group > input {
    box-sizing: border-box;
    margin-bottom: 5px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
    height: 35px;
    width: 250px;
    background: rgba(255, 255, 255, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 5px;
    transition: 0.2s;
    outline: none;
    padding: 0 10px;
}

.box .form-group > select {
    box-sizing: border-box;
    margin-bottom: 5px;
    font-size: 14px;
    height: 35px;
    width: 250px;
    background: rgba(255, 255, 255, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 5px;
    transition: 0.2s;
    outline: none;
    padding: 0 10px;
}
/* 美化选项内容 */
option {
    padding: 5px;
    background-color: rgba(109, 115, 118, 0.502);
    color:  rgba(255, 255, 255, 0.9);
}


.box .form-group > input:focus {
    border: 1px solid rgba(255, 255, 255, 0.8);
}

.box .form-group > input:hover {
    border: skyblue;
}

.box .btn-box > div {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: start;
    margin-top: 20px;
}

.box .btn-box > div > button {
    width: 120px;
    height: 35px;
    border: 1px solid #69b3f0;
    background-color: #69b3f0;
    color: white;
    border-radius: 5px;
    transition: 0.2s;

}

.box .btn-box > div > button:hover {
    border: 1px solid white;
}

.box .btn-box > div > button:nth-of-type(2) {
    margin-left: 10px;
}